journal box的用法和樣例：
例句
- The solution could be easily and efficiently implemented through improvement on the design of locomotive axle box linkage.
通過改進機車軸箱拉杆設計可以簡單有效地實施這一方案。 - The line dynamic test and the locomotive operations within one year after the replacement of axle box linkage indicate that the improvement works efficiently.
更換軸箱拉杆后對機車進行的線路動力學試驗及試驗機車改進后一年多的運用情況表明，這一改進措施起到了很好的效果。
